Support parsing IAS* in AVI

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>
(cherry picked from commit 9ef8db17fda567a43d6e8febd5cd0f6ec79757a0)

modules/demux/avi/avi.c

@@ -407,7 +407,7 @@ static int Open( vlc_object_t * p_this )
         tk->i_scale = p_strh->i_scale;
         tk->i_samplesize = p_strh->i_samplesize;
         msg_Dbg( p_demux, "stream[%d] rate:%d scale:%d samplesize:%d",
-                 i, tk->i_rate, tk->i_scale, tk->i_samplesize );
+                i, tk->i_rate, tk->i_scale, tk->i_samplesize );
 
         switch( p_strh->i_type )
         {
@@ -454,6 +454,15 @@ static int Open( vlc_object_t * p_this )
                 fmt.audio.i_bitspersample   = p_auds->p_wf->wBitsPerSample;
                 fmt.b_packetized            = !tk->i_blocksize;
 
+                avi_chunk_list_t *p_info = AVI_ChunkFind( p_riff, AVIFOURCC_INFO, 0 );
+                if( p_info )
+                {
+                    int i_chunk = AVIFOURCC_IAS1 + ((i - 1) << 24);
+                    avi_chunk_STRING_t *p_lang = AVI_ChunkFind( p_info, i_chunk, 0 );
+                    if( p_lang != NULL )
+                        fmt.psz_language = FromACP( p_lang->p_str );
+                }
+
                 msg_Dbg( p_demux,
                     "stream[%d] audio(0x%x - %s) %d channels %dHz %dbits",
                     i, p_auds->p_wf->wFormatTag,vlc_fourcc_GetDescription(AUDIO_ES,tk->i_codec),

modules/demux/avi/libavi.c

@@ -762,8 +762,19 @@ static const struct
     { AVIFOURCC_ISTR, "Starring" },
     { AVIFOURCC_IFRM, "Total number of parts" },
     { AVIFOURCC_strn, "Stream name" },
+    { AVIFOURCC_IAS1, "First Language" },
+    { AVIFOURCC_IAS2, "Second Language" },
+    { AVIFOURCC_IAS3, "Third Language" },
+    { AVIFOURCC_IAS4, "Fourth Language" },
+    { AVIFOURCC_IAS5, "Fifth Language" },
+    { AVIFOURCC_IAS6, "Sixth Language" },
+    { AVIFOURCC_IAS7, "Seventh Language" },
+    { AVIFOURCC_IAS8, "Eighth Language" },
+    { AVIFOURCC_IAS9, "Ninth Language" },
+
     { 0,              "???" }
 };
+
 static int AVI_ChunkRead_strz( stream_t *s, avi_chunk_t *p_chk )
 {
     int i_index;
@@ -872,6 +883,15 @@ static const struct
     { AVIFOURCC_ICNT, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
     { AVIFOURCC_ISTR, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
     { AVIFOURCC_IFRM, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS1, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS2, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS3, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS4, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS5, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS6, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS7, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS8, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
+    { AVIFOURCC_IAS9, AVI_ChunkRead_strz, AVI_ChunkFree_strz },
 
 
     { AVIFOURCC_strn, AVI_ChunkRead_strz, AVI_ChunkFree_strz },

modules/demux/avi/libavi.h

@@ -344,6 +344,15 @@ int     AVI_ChunkFetchIndexes( stream_t *, avi_chunk_t *p_riff );
 #define AVIFOURCC_ISTR         VLC_FOURCC('I','S','T','R')
 #define AVIFOURCC_IFRM         VLC_FOURCC('I','F','R','M')
 
+#define AVIFOURCC_IAS1         VLC_FOURCC('I','A','S','1')
+#define AVIFOURCC_IAS2         VLC_FOURCC('I','A','S','2')
+#define AVIFOURCC_IAS3         VLC_FOURCC('I','A','S','3')
+#define AVIFOURCC_IAS4         VLC_FOURCC('I','A','S','4')
+#define AVIFOURCC_IAS5         VLC_FOURCC('I','A','S','5')
+#define AVIFOURCC_IAS6         VLC_FOURCC('I','A','S','6')
+#define AVIFOURCC_IAS7         VLC_FOURCC('I','A','S','7')
+#define AVIFOURCC_IAS8         VLC_FOURCC('I','A','S','8')
+#define AVIFOURCC_IAS9         VLC_FOURCC('I','A','S','9')
 
 #define AVITWOCC_wb            VLC_TWOCC('w','b')
 #define AVITWOCC_db            VLC_TWOCC('d','b')